CN115599251A - Display device, method for preventing burn-in of display screen and medium - Google Patents

Display device, method for preventing burn-in of display screen and medium Download PDF

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Publication number
CN115599251A
CN115599251A CN202211177420.8A CN202211177420A CN115599251A CN 115599251 A CN115599251 A CN 115599251A CN 202211177420 A CN202211177420 A CN 202211177420A CN 115599251 A CN115599251 A CN 115599251A
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Prior art keywords
preset
display screen
area
target image
target
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樊杰
贾桂丽
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Hisense Visual Technology Co Ltd
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Hisense Visual Technology Co Ltd
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Priority to CN202211177420.8A priority Critical patent/CN115599251A/en
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
    • G06F3/0481—Interaction techniques based on graphical user interfaces [GUI] based on specific properties of the displayed interaction object or a metaphor-based environment, e.g. interaction with desktop elements like windows or icons, or assisted by a cursor's changing behaviour or appearance
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
    • G06F3/0484—Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range
    • G06F3/04842—Selection of displayed objects or displayed text elements
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
    • G06F3/0484—Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range
    • G06F3/04845—Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range for image manipulation, e.g. dragging, rotation, expansion or change of colour

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Controls And Circuits For Display Device (AREA)

Abstract

The disclosure relates to a display device, a method and a medium for preventing a display screen from being burnt, and is applied to the technical field of display. The display device includes: a controller configured to: when the display screen is in a static state within a first preset time, selecting at least one preset area from a plurality of preset areas corresponding to the display screen as a first target area, and displaying a target image in the first target area; after the target image displays a second preset duration in the first target area, continuously selecting at least one preset area from the unselected preset areas as a second target area, and moving the target image to the second target area; and after the target image displays a second preset time in the second target area, if the unselected preset area exists, returning to execute the step of continuously selecting at least one preset area from the unselected preset area as the second target area until the display screen is in a dynamic state. The display device can prevent the display screen from being burnt.

Description

Display device, method for preventing burn-in of display screen and medium
Technical Field
The present disclosure relates to the field of display technologies, and in particular, to a display device, a method for preventing a display screen from being burned, and a medium.
Background
With the fact that an Organic Light-Emitting Diode (OLED) screen is widely used in work and daily life of users at present, a screen burn phenomenon accompanying the display screen is more and more serious, and the screen burn means that a residual image of an image is left on the display screen due to the fact that the display screen displays the image for a long time, and the subsequent use experience of the user on the display screen is reduced.
In the prior art, in order to prevent the display screen from being burned, when it is detected that the display screen is still for a long time, the system starts a display screen protection program, and moves a certain animation back and forth on the display screen in an animation moving manner, so as to prevent the display screen from being in a still state for a long time, thereby causing the burn of the display screen.
However, in the prior art, the position of the next moving animation depends on the generated random number, but the generation of the random number may be repeated, so that some pixel points on the display screen cannot be covered for a long time, and the problem of screen burning is caused.
Disclosure of Invention
In order to solve the technical problems or at least partially solve the technical problems, the present disclosure provides a display device, a method for preventing a display screen from being burned, and a medium, where a display screen is divided into a plurality of preset regions, and when it is detected that the display screen is in a static state, a target region is selected from the preset regions to display a target image, and if the display screen is in the static state all the time, the target region is continuously selected from the unselected preset regions to display the target image, so as to avoid a problem that the target image cannot be displayed in the unselected preset region for a long time due to repeated display of the target image in the selected preset region, thereby ensuring that the target image is displayed in all the preset regions included in the display screen, and solving the problem that the display screen is burned.
In a first aspect, the present disclosure provides a display device comprising: a controller configured to:
when a display screen is in a static state within a first preset time, selecting at least one preset area from a plurality of preset areas corresponding to the display screen as a first target area, and displaying a target image in the first target area;
after the target image is displayed in the first target area for a second preset time, continuously selecting at least one preset area from the unselected preset areas as a second target area, and moving the target image to the second target area;
and after the target image displays a second preset time in the second target area, if the unselected preset area exists, returning to execute the unselected preset area to continuously select at least one preset area as a second target area until the display screen is in a dynamic state.
As an optional implementation manner of the embodiment of the present disclosure, the controller is further configured to:
and if the unselected preset areas do not exist, setting all the plurality of preset areas corresponding to the display screen as the unselected preset areas.
As an optional implementation manner of the embodiment of the present disclosure, the controller is specifically configured to:
when the display screen is in a static state within a first preset time, selecting at least one first coordinate position from a storage list, taking the preset area corresponding to each first coordinate position as a first target area, and displaying the target image in the first target area based on each first coordinate position, wherein the storage list stores the coordinate positions corresponding to a plurality of preset areas;
after the target image is displayed in the first target area for a second preset time, selecting at least one second coordinate position from unselected coordinate positions in the storage list, taking the preset area corresponding to each second coordinate position as the second target area, and moving the target image to the second target area based on each second coordinate position;
and after the target image is displayed in the second target area for a second preset time, if the unselected coordinate positions exist in the storage list, returning to the execution of selecting at least one second coordinate position from the unselected coordinate positions in the storage list until the display screen is in a dynamic state.
As an optional implementation manner of the embodiment of the present disclosure, the controller is further configured to:
and dividing the display screen into a plurality of preset areas according to the size of the display screen and the size of the target image, determining a coordinate position corresponding to each preset area, and storing the coordinate position of each preset area into a storage list.
As an optional implementation manner of the embodiment of the present disclosure, the controller is specifically further configured to:
acquiring a first ratio of the size of the transverse axis of the display screen to the size of the transverse axis of the target image and a second ratio of the size of the longitudinal axis of the display screen to the size of the longitudinal axis of the target image;
and dividing the display screen into a plurality of preset areas based on the first ratio and the second ratio.
As an optional implementation manner of the embodiment of the present disclosure, when both the first ratio and the second ratio are integers;
the controller is specifically further configured to:
determining a horizontal axis coordinate position corresponding to each preset area according to the horizontal axis size of the display screen and the horizontal axis size of the target image;
and determining the longitudinal axis coordinate position corresponding to each preset area according to the longitudinal axis size of the display screen and the longitudinal axis size of the target image.
As an optional implementation manner of the embodiment of the present disclosure, when the first ratio is not an integer and/or the second ratio is not an integer, the plurality of preset areas include a plurality of first preset areas and a plurality of second preset areas;
the controller is specifically further configured to:
determining a horizontal axis coordinate position corresponding to each first preset area according to the horizontal axis size of the display screen and the horizontal axis size of the target image;
determining a longitudinal axis coordinate position corresponding to each first preset area according to the longitudinal axis size of the display screen and the longitudinal axis size of the target image;
determining the horizontal axis coordinate position of each second preset area according to the horizontal axis size of the display screen, the horizontal axis size of the target image and the first ratio;
and determining the longitudinal axis coordinate position of each second preset area according to the longitudinal axis size of the display screen, the longitudinal axis size of the target image and the second ratio.
In a second aspect, the present disclosure provides a method for preventing burn-in of a display screen, including:
when a display screen is in a static state within a first preset time, selecting at least one preset area from a plurality of preset areas corresponding to the display screen as a first target area, and displaying a target image in the first target area;
after the target image displays a second preset duration in the first target area, continuously selecting at least one preset area from the unselected preset areas as a second target area, and moving the target image to the second target area;
and after the target image displays a second preset time in the second target area, if the unselected preset area exists, returning to execute the unselected preset area to continuously select at least one preset area as a second target area until the display screen is in a dynamic state.
As an optional implementation manner of the embodiment of the present disclosure, the method further includes:
and if the unselected preset areas do not exist, setting all the plurality of preset areas corresponding to the display screen as the unselected preset areas.
In a third aspect, the present disclosure provides a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, implements the method for preventing burn-in of a display screen according to the second aspect.
Compared with the prior art, the technical scheme provided by the embodiment of the disclosure has the following advantages:
firstly, under the condition that a controller of display equipment detects that a display screen is in a static state within a first preset time length, selecting at least one preset area from a plurality of preset areas corresponding to the display screen as a first target area under the condition that the display screen is in the static state within the first preset time length, and displaying a target image in the first target area; then, after the target image displays a second preset duration in the first target area, the controller continuously selects at least one preset area from the unselected preset areas as a second target area, and moves the target image to the second target area; and finally, after the target image displays a second preset time in the second target area, if the unselected preset area exists, the controller returns to execute the step of continuously selecting at least one preset area from the unselected preset area as the second target area until the display screen is in a dynamic state. According to the technical scheme, the display screen is divided into the plurality of preset areas, when the display screen is detected to be in a static state, the target area is selected to display the target image in the plurality of preset areas, and if the display screen is always in the static state, the target area is continuously selected to display the target image in the plurality of unselected preset areas, so that the problem that the target image cannot be displayed in the unselected preset area for a long time due to repeated display of the target image in the selected preset area is avoided, the target image is guaranteed to be displayed in all the preset areas included in the display screen, and the problem that the display screen is burned is solved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and, together with the description, serve to explain the principles of the disclosure.
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present disclosure, the drawings used in the embodiments or technical solutions in the prior art description will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor.
Fig. 1A is a schematic view of an application scenario among a display device, a control device, and a terminal device according to an embodiment of the present disclosure;
FIG. 1B is a diagram illustrating a process of a method for preventing burn-in of a display screen in the prior art;
fig. 1C is a schematic view of a scene displaying a target image on a display screen according to an embodiment of the disclosure;
fig. 1D is a schematic view of another scene for displaying a target image on a display screen according to an embodiment of the disclosure;
fig. 1E is a schematic view of a scene displaying a target image on a display screen according to another embodiment of the disclosure;
fig. 2 is a block diagram of a hardware configuration of the control apparatus 100 according to one or more embodiments of the present disclosure;
fig. 3A is a block diagram of a hardware configuration of a display device 200 according to one or more embodiments of the present disclosure;
fig. 3B is a schematic diagram of a software configuration in the display device 200 according to one or more embodiments of the present disclosure;
fig. 3C is a schematic illustration of an icon control interface display of an application in the display device 200 according to one or more embodiments of the present disclosure;
FIG. 4A is a block diagram of a system for preventing burn-in of a display screen in accordance with one or more embodiments of the present disclosure;
FIG. 4B is an architectural diagram illustrating prevention of burn-in of a display screen according to one or more embodiments of the present disclosure;
fig. 5A is a schematic flowchart of a method for preventing a screen from being burned in a display screen according to an embodiment of the present disclosure;
fig. 5B is a scene schematic diagram of a display interface according to an embodiment of the disclosure;
fig. 5C is a schematic view of another scene for displaying a target image on a display screen according to an embodiment of the disclosure;
fig. 5D is a schematic view of another scene for displaying a target image on a display screen according to an embodiment of the disclosure;
fig. 6A is a schematic flowchart of another method for preventing a display screen from being burned according to an embodiment of the present disclosure;
fig. 6B is a schematic diagram illustrating a coordinate position corresponding to a predetermined area on a display screen according to an embodiment of the disclosure;
FIG. 7 is a schematic flowchart illustrating a further method for preventing burn-in of a display screen according to an embodiment of the present disclosure;
fig. 8 is a schematic diagram illustrating another exemplary embodiment of determining a coordinate position corresponding to a preset area on a display screen;
fig. 9 is a schematic diagram of a plurality of second preset areas included in a display screen according to an embodiment of the present disclosure;
fig. 10 is a schematic diagram illustrating a determination of a coordinate position corresponding to a second preset area on a display screen according to an embodiment of the present disclosure.
Detailed Description
In order that the above objects, features and advantages of the present disclosure may be more clearly understood, aspects of the present disclosure will be further described below. It should be noted that the embodiments and features of the embodiments of the present disclosure may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present disclosure, but the present disclosure may be practiced otherwise than as described herein; it is to be understood that the embodiments disclosed in the specification are only a few embodiments of the present disclosure, and not all embodiments.
The terms "first" and "second," etc. in this disclosure are used to distinguish between different objects, and are not used to describe a particular order of objects. For example, the first processing result, the second processing result, and the like are used to distinguish different processing results, and are not used to describe a specific order of the processing results.
The display device provided by the embodiment of the present application may have various implementation forms, and for example, the display device may be a television, a smart television, a laser projection device, a display (monitor), an electronic whiteboard (electronic whiteboard), an electronic desktop (electronic table), and the like. The embodiment of the present disclosure does not limit the specific type of the display device. When the display equipment detects that the display screen is in a static state for a long time, the system starts a display screen protection program to protect the display screen and prevent the display screen from being in the static state for a long time, so that the screen burning is caused, and the subsequent use experience of a user is reduced.
For example, as shown in fig. 1A, fig. 1A is a schematic view of an application scenario among a display device, a control device, and a terminal device according to an embodiment of the present disclosure, in fig. 1A, when a display screen corresponding to a display device 200 is stationary for a long time, a system may start a display screen saver, and move an animation in different areas on the display screen, so as to prevent burn-in. The user may operate the display apparatus 200 through the control apparatus 100 or the terminal apparatus 300.
Fig. 1B is a schematic diagram illustrating a process of a method for preventing a display screen from being burned in the prior art. As shown in fig. 1B, when the controller of the display device detects that the display screen is in a static state for a long time, where the static state means that the display screen is always in a display interface for a long time, the system may start the display screen protection program, and send an instruction to display the target image to instruct to display the target image on the display screen, as shown in fig. 1C, display the target image 202 on the display screen 201, so as to change the long-time static state of the display screen, after the target image is displayed on the display screen for a preset time, determine the position of displaying the target image next time as C by generating a random number as shown in fig. 1D, after determining the position C, as shown in fig. 1E, move the target image 202 to a region corresponding to the position C for display, after the target image is displayed on the display screen for a preset time, the display screen is still in a static state, return to execute the manner of generating a random number to determine the position of displaying the target image next time, and after determining the position, move the target image to the region corresponding to the position until the display screen is detected to be in a dynamic state, and the target image is not displayed. However, since the position of the next moving target image depends on the generated random number, the generation of the random number may be repeated, so that some pixel points on the display screen cannot be covered for a long time, thereby causing a screen burn problem.
In order to solve the above problem, an embodiment of the present disclosure provides a method for preventing a display screen from being burned, where when a display screen is in a static state within a first preset time period, at least one preset region is selected from multiple preset regions corresponding to the display screen as a first target region, and a target image is displayed in the first target region; after the target image displays a second preset duration in the first target area, continuously selecting at least one preset area from the unselected preset areas as a second target area, and moving the target image to the second target area; and after the target image displays a second preset time in the second target area, if the unselected preset area exists, returning to execute and continuously selecting at least one preset area from the unselected preset area as the second target area until the display screen is in a dynamic state. According to the technical scheme, the display screen is divided into the plurality of preset areas, when the display screen is detected to be in a static state, the target area is selected to display the target image in the plurality of preset areas, and if the display screen is always in the static state, the target area is continuously selected to display the target image in the plurality of unselected preset areas, so that the problem that the target image cannot be displayed in the unselected preset area for a long time due to repeated display of the target image in the selected preset area is avoided, the target image is guaranteed to be displayed in all the preset areas included in the display screen, and the problem that the display screen is burned is solved.
In some embodiments, the control device 100 may be a remote controller, and the communication between the remote controller and the display device 200 may include infrared protocol communication, bluetooth protocol communication, wireless or other wired methods, and the like, by which the display device 200 can be controlled. The user may input a user command through keys on a remote controller, voice input, control panel input, and the like to control the display apparatus 200. Such as: the user may input a corresponding control command through a volume up-down key, a menu key, a power on-off key, etc. on the remote controller to implement the function of controlling the display device 200.
In some embodiments, the display device 200 may also be controlled using mobile terminals, tablets, computers, laptops, and other smart devices.
In some embodiments, the display device 200 may not receive instructions using the smart device or the control device described above, but receive control of the user through touch or gesture, or the like.
In some embodiments, the display device 200 may also be controlled by a manner other than a control device and an intelligent device, for example, the voice instruction control of the user may be directly received by a module configured inside the display device 200 to obtain a voice instruction, or may be received by a voice control device provided outside the display device 200.
In some embodiments, the mobile terminal may install a software application with the display device 200 to implement connection communication through a network communication protocol for the purpose of one-to-one control operation and data communication. The audio and video content displayed on the mobile terminal can also be transmitted to the display device 200, so as to realize the synchronous display function. The display apparatus 200 may also perform data communication with a server through various communication means, and may allow the display apparatus 200 to perform communication connection through a Local Area Network (LAN), a Wireless Local Area Network (WLAN), and other networks. The server may be a cluster or a plurality of clusters, and may include one or more types of servers. The server may provide various contents and interactions to the display apparatus 200. The display device 200 may be a liquid crystal display, an OLED display, or a projection display device, etc. The display apparatus 200 may additionally provide an intelligent network tv function that provides a computer support function in addition to the broadcast receiving tv function.
Fig. 2 is a block diagram of a hardware configuration of the control apparatus 100 according to one or more embodiments of the present disclosure. As shown in fig. 2, the control apparatus includes a controller 110, a communication interface 130, a user input/output interface 140, a memory, and a power supply source. The control apparatus may receive an input operation instruction of a user and convert the operation instruction into an instruction recognizable and responsive by the display apparatus 200, serving as an interaction intermediary between the user and the display apparatus 200. The communication interface 130 is used for communicating with the outside, and includes at least one of a WIFI chip, a bluetooth module, NFC, or an alternative module. The user input/output interface 140 includes at least one of a microphone, a touch pad, a sensor, a key, or an alternative module.
Fig. 3A is a block diagram of a hardware configuration of a display apparatus 200 according to one or more embodiments of the present disclosure. The display apparatus 200 as shown in fig. 3A includes at least one of a tuner demodulator 210, a communicator 220, a detector 230, an external device interface 240, a controller 250, a display 260, an audio output interface 270, a memory, a power supply, and a user interface (i.e., a user input interface) 280. The controller 250 includes a central processor, a video processor, an audio processor, a graphic processor, a RAM, a ROM, first to nth interfaces for input/output. The display 260 may be at least one of a liquid crystal display, an OLED display, a touch display, and a projection display, and may also be a projection device and a projection screen. The tuner demodulator 210 receives a broadcast television signal through a wired or wireless reception manner, and demodulates an audio/video signal, such as an EPG data signal, from a plurality of wireless or wired broadcast television signals. The communicator 220 is a component for communicating with an external device or a server according to various communication protocol types. For example: the communicator may include at least one of a Wifi module, a bluetooth module, a wired ethernet module, and other network communication protocol chips or near field communication protocol chips, and an infrared receiver. The display apparatus 200 may establish transmission and reception of a control signal and a data signal with the external control apparatus 100 or the server 400 through the communicator 220. The detector 230 is used to collect signals of the external environment or interaction with the outside. The controller 250 and the tuner-demodulator 210 may be located in different separate devices, that is, the tuner-demodulator 210 may also be located in an external device of the main device where the controller 250 is located, such as an external set-top box. The user interface 280 may be used to receive control signals for controlling devices, such as infrared remote controls, etc.
In some embodiments, the controller 250 controls the operation of the display device and responds to user operations through various software control programs stored in memory. The controller 250 controls the overall operation of the display apparatus 200. A user may input a user command on a Graphical User Interface (GUI) displayed on the display 260, and the user input interface receives the user input command through the Graphical User Interface (GUI). Alternatively, the user may input the user command by inputting a specific sound or gesture, and the user input interface receives the user input command by recognizing the sound or gesture through the sensor.
In some embodiments, a "user interface" is a media interface for interaction and information exchange between an application or operating system and a user that enables conversion between an internal form of information and a form that is acceptable to the user. A commonly used presentation form of the User Interface is a Graphical User Interface (GUI), which refers to a User Interface related to computer operation and displayed in a graphical manner. It may be an interface element such as an icon, a window, and a control displayed in a display screen of the electronic device, where the control may include at least one of an icon, a button, a menu, a tab, a text box, a dialog box, a status bar, a navigation bar, a Widget, and other visual interface elements.
Fig. 3B is a schematic diagram of a software configuration in the display device 200 according to one or more embodiments of the present disclosure, and as shown in fig. 3B, the system is divided into four layers, which are, from top to bottom, an Application (Applications) layer (referred to as an "Application layer"), an Application Framework (referred to as a "Framework layer"), an Android runtime (Android runtime) and system library layer (referred to as a "system runtime library layer"), and a kernel layer.
In some embodiments, at least one application program runs in the application program layer, and the application programs may be windows (windows) programs carried by an operating system, system setting programs, clock programs or the like; or an application developed by a third party developer. In particular implementations, applications in the application layer include, but are not limited to, the above examples.
In some embodiments, the system runtime layer provides support for the upper layer, i.e., the framework layer, and when the framework layer is used, the android operating system runs the C/C + + library included in the system runtime layer to implement the functions to be implemented by the framework layer.
In some embodiments, the kernel layer is a layer between hardware and software, including at least one of the following drivers: audio drive, display driver, bluetooth drive, camera drive, WIFI drive, USB drive, HDMI drive, sensor drive (like fingerprint sensor, temperature sensor, pressure sensor etc.) and power drive etc..
Fig. 3C is a schematic diagram of an icon control interface display of an application program in the display device 200 according to one or more embodiments of the present disclosure, as shown in fig. 3C, an application program layer includes at least one application program that can display a corresponding icon control in a display, for example: the system comprises a live television application icon control, a video-on-demand application icon control, a media center application icon control, an application center icon control, a game application icon control and the like. The live television application program can provide live television through different signal sources. A video-on-demand application may provide video from different storage sources. Unlike live television applications, video on demand provides video displays from some storage source. The media center application program can provide various applications for playing multimedia contents. The application program center can provide and store various application programs.
In some embodiments, the display device is a terminal device with a display function, such as a television, a mobile phone, a computer, a learning machine, and the like. In the display device:
an output interface (display 260, and/or audio output interface 270) configured to output user interaction information;
a communicator 220 for communicating with a server;
a controller 250 configured to: when a display screen is in a static state within a first preset time, selecting at least one preset area from a plurality of preset areas corresponding to the display screen as a first target area, and displaying a target image in the first target area;
after the target image is displayed in the first target area for a second preset time, continuously selecting at least one preset area from the unselected preset areas as a second target area, and moving the target image to the second target area;
and after the target image displays a second preset time in the second target area, if the unselected preset area exists, returning to the execution of continuously selecting at least one preset area from the unselected preset area as a second target area until the display screen is in a dynamic state.
In some embodiments, the controller 250 is further configured to:
and if the unselected preset areas do not exist, setting all the plurality of preset areas corresponding to the display screen as the unselected preset areas.
In some embodiments, the controller 250 is specifically configured to:
when the display screen is in a static state within a first preset duration, selecting at least one first coordinate position from a storage list, taking the preset area corresponding to each first coordinate position as a first target area, and displaying the target image in the first target area based on each first coordinate position, wherein the storage list stores the coordinate positions corresponding to a plurality of preset areas;
after the target image displays a second preset duration in the first target area, selecting at least one second coordinate position from the unselected coordinate positions in the storage list, taking the preset area corresponding to each second coordinate position as the second target area, and moving the target image to the second target area based on each second coordinate position;
and after the target image is displayed in the second target area for a second preset time, if the coordinate positions which are not selected exist in the storage list, returning to execute the selection of at least one second coordinate position from the coordinate positions which are not selected in the storage list until the display screen is in a dynamic state.
In some embodiments, the controller 250 is further configured to:
and dividing the display screen into a plurality of preset areas according to the size of the display screen and the size of the target image, determining a coordinate position corresponding to each preset area, and storing the coordinate position of each preset area into a storage list.
In some embodiments, the controller 250 is further specifically configured to:
acquiring a first ratio of the size of the transverse axis of the display screen to the size of the transverse axis of the target image and a second ratio of the size of the longitudinal axis of the display screen to the size of the longitudinal axis of the target image;
and dividing the display screen into a plurality of preset areas based on the first ratio and the second ratio.
In some embodiments, when the first ratio and the second ratio are both integers;
the controller 250 is further specifically configured to:
determining a horizontal axis coordinate position corresponding to each preset area according to the horizontal axis size of the display screen and the horizontal axis size of the target image;
and determining the longitudinal axis coordinate position corresponding to each preset area according to the longitudinal axis size of the display screen and the longitudinal axis size of the target image.
In some embodiments, when the first ratio is not an integer and/or the second ratio is not an integer, the plurality of preset regions includes a plurality of first preset regions and a plurality of second preset regions;
the controller 250 is further specifically configured to:
determining a horizontal axis coordinate position corresponding to each first preset area according to the horizontal axis size of the display screen and the horizontal axis size of the target image;
determining a longitudinal axis coordinate position corresponding to each first preset area according to the longitudinal axis size of the display screen and the longitudinal axis size of the target image;
determining the horizontal axis coordinate position of each second preset area according to the horizontal axis size of the display screen, the horizontal axis size of the target image and the first ratio;
and determining the longitudinal axis coordinate position of each second preset area according to the longitudinal axis size of the display screen, the longitudinal axis size of the target image and the second ratio.
In summary, the present disclosure performs the above method for preventing burn-in of a display screen on a display device, by selecting at least one preset region from a plurality of preset regions corresponding to the display screen as a first target region when the display screen is in a static state within a first preset time period, and displaying a target image in the first target region; after the target image displays a second preset duration in the first target area, continuously selecting at least one preset area from the unselected preset areas as a second target area, and moving the target image to the second target area; and after the target image displays a second preset time in the second target area, if the unselected preset area exists, returning to execute the step of continuously selecting at least one preset area from the unselected preset area as the second target area until the display screen is in a dynamic state. According to the technical scheme, the display screen is divided into the plurality of preset areas, when the display screen is detected to be in a static state, the target areas are selected to display the target images in the plurality of preset areas, and if the display screen is always in the static state, the target areas are continuously selected to display the target images in the plurality of unselected preset areas, so that the problem that the target images cannot be displayed in the unselected preset areas for a long time due to repeated display of the target images in the selected preset areas is avoided, the target images are guaranteed to be displayed in all the preset areas included in the display screen, and the problem that the display screen is burned is solved.
Fig. 4A is a block diagram of a system for preventing burn-in of a display screen according to one or more embodiments of the present disclosure, and as shown in fig. 4A, the system may include a channel first target area display module 401, a second target area display module 402, and a processing module 403. The system detects that a display screen is in a static state within a first preset time, firstly, a first target area display module 401 selects at least one preset area from a plurality of preset areas corresponding to the display screen as a first target area, a target image is displayed in the first target area, then, after the target image is displayed in the first target area for a second preset time, a second target area display module 402 continues to select at least one preset area from the unselected preset areas as a second target area, the target image is moved to the second target area, and finally, after the target image is displayed in the second target area for the second preset time, if the unselected preset area exists, a processing module 403 returns to execute to continue to select at least one preset area from the unselected preset area as the second target area until the display screen is in a dynamic state. According to the technical scheme, the display screen is divided into the plurality of preset areas, when the display screen is detected to be in a static state, the target area is selected to display the target image in the plurality of preset areas, and if the display screen is always in the static state, the target area is continuously selected to display the target image in the plurality of unselected preset areas, so that the problem that the target image cannot be displayed in the unselected preset area for a long time due to repeated display of the target image in the selected preset area is avoided, the target image is guaranteed to be displayed in all the preset areas included in the display screen, and the problem that the display screen is burned is solved.
Fig. 4B is an architecture diagram for preventing burn-in of a display screen according to one or more embodiments of the present disclosure. Based on the system framework, as shown in fig. 4B, the implementation of the present disclosure is implemented in an android system, which mainly includes an application layer, a framework layer, a system runtime layer, and a kernel layer, and the implementation logic is mainly embodied in the application layer, which includes a channel first target area display module, a channel second target area display module, and a channel processing module, and the functions of the modules have been described in detail in the foregoing embodiments, and are not repeated here to avoid repetition.
In the method for preventing the screen burn-in of the display screen provided in the embodiment of the disclosure, when a controller of a display device detects that the display screen is in a static state within a first preset time, at least one preset area is selected from a plurality of preset areas corresponding to the display screen as a first target area, and a target image is displayed in the first target area; then, after the target image displays a second preset duration in the first target area, the controller continuously selects at least one preset area from the unselected preset areas as a second target area, and moves the target image to the second target area; and finally, after the target image is displayed in the second target area for a second preset time, if the unselected preset area exists, the controller returns to execute the step of continuously selecting at least one preset area from the unselected preset area as the second target area until the display screen is in a dynamic state. According to the technical scheme, the display screen is divided into the plurality of preset areas, when the display screen is detected to be in a static state, the target area is selected to display the target image in the plurality of preset areas, and if the display screen is always in the static state, the target area is continuously selected to display the target image in the plurality of unselected preset areas, so that the problem that the target image cannot be displayed in the unselected preset area for a long time due to repeated display of the target image in the selected preset area is avoided, the target image is guaranteed to be displayed in all the preset areas included in the display screen, and the problem that the display screen is burned is solved.
For more detailed description of the present solution, the following description is made with reference to fig. 5A by way of example, and it is understood that the steps involved in fig. 5A may include more steps or fewer steps in actual implementation, and the order between the steps may also be different, so as to implement the method for preventing the display screen from being burned in provided in the embodiment of the present disclosure, which is not limited in the embodiment of the present disclosure.
Fig. 5A is a schematic flowchart of a method for preventing a display screen from being burned in according to an embodiment of the present disclosure. As shown in fig. 5A, the method for preventing the screen burn-in of the display screen specifically includes the following steps:
s510, when the display screen is in a static state within a first preset time, at least one preset area is selected from a plurality of preset areas corresponding to the display screen to serve as a first target area, and a target image is displayed in the first target area.
The display screen is static within a first preset time period, which means that the display screen is always in a current display interface within the first preset time period, and the first preset time period is a set time parameter used for determining that at least one preset region is selected from a plurality of preset regions corresponding to the display screen as a first target region, where the first preset time period may be 3 minutes, for example, as shown in fig. 5B, the display screen 201 corresponding to the display device 200 is always in the current display interface within 3 minutes, and at this time, it is determined that the display screen 201 is static within the first preset time period.
The preset regions refer to a plurality of regions obtained by dividing the display screen, and the preset regions may be divided according to the size of the display screen and the size of the target image in the embodiment, but the disclosure is not limited thereto, and those skilled in the art may set the preset regions according to actual situations.
The target image is a target object for moving on the display screen, so that the problem that the display screen is static within a first preset time length is solved.
Specifically, when the controller of the display device detects that the display screen is in a static state within a first preset time period, at this time, one or more preset regions are arbitrarily selected from a plurality of preset regions corresponding to the display screen as a first target region where a target image needs to be displayed on the display screen, and after the first target region is determined, the target image is displayed in the first target region.
For example, referring to fig. 5C, the display screen 201 corresponding to the display device 200 includes 64 preset regions, and when the controller of the display device 200 detects that the display screen 201 is always in the current display interface within a first preset time period, for example, within 3 minutes, at this time, a preset region, for example, the 18 th preset region, is arbitrarily selected from the 64 preset regions corresponding to the display screen as the first target region where the target image needs to be displayed on the display screen 201, and the target image 202 is displayed in the first target region, but the disclosure is not limited thereto, and a person skilled in the art may set the display screen according to actual situations.
Optionally, for selecting one or more preset regions as the first target region in the plurality of preset regions corresponding to the display screen, the one or more preset regions may be selected randomly, or may be sequentially used as the first target region according to the division of the plurality of preset regions, but the disclosure is not limited thereto, and those skilled in the art may set the first target region according to actual situations.
Optionally, for detecting that the display screen is static within the first preset time, whether the pixel point, the brightness, and the like of the current display interface change or not may be detected within the first preset time, and if it is determined that the pixel point and the brightness of the current display interface do not change within the first preset time, it indicates that the display screen is static within the first preset time, but is not limited thereto, and the disclosure is not particularly limited, and a person skilled in the art may set the display screen according to an actual situation.
Optionally, on the basis of the foregoing embodiments, in some embodiments of the present disclosure, before performing selecting at least one preset region from a plurality of preset regions corresponding to a display screen as a first target region and displaying a target image in the first target region, the method further includes:
starting a display screen protection program, responding to an instruction of displaying a target image, selecting at least one preset area from a plurality of preset areas corresponding to a display screen as a first target area, and displaying the target image in the first target area.
For example, the controller of the display device detects whether the display screen is in a static state by using computer hardware such as a Tcon chip, and when the display screen is detected to be in the static state, the controller may start a protection program for the display screen, and respond to an instruction to display a target image, at this time, any one preset region is selected from a plurality of preset regions corresponding to the display screen as a first target region, and the target image is displayed in the first target region.
S520, after the target image is displayed in the first target area for a second preset time, at least one preset area is continuously selected from the unselected preset areas to serve as a second target area, and the target image is moved to the second target area.
The second preset time period is a time period that the target image needs to be displayed in the first target area, and the time period may be, for example, 5 seconds, but is not limited thereto.
Specifically, after the target image is displayed in the first target area for the second preset duration, if it is necessary to continue to cover other preset areas of the display screen with the target image, one or more preset areas are continuously selected as the second target area in the unselected preset areas, and the target image is moved from the first target area to the second target area and displayed.
For example, with reference to fig. 5D, after the target image 202 is displayed in the first target area, for example, the 18 th preset area for 5 seconds, one of the other 63 unselected preset areas in the 64 preset areas is continuously selected as the second target area, and the target image 202 is moved from the 18 th preset area to the 36 th preset area for display, but the disclosure is not limited thereto, and the person skilled in the art may set the target image according to actual situations.
S530, after the target image displays a second preset time length in the second target area, judging whether an unselected preset area exists.
And S540, if the unselected preset areas exist, returning to the execution of continuously selecting at least one preset area from the unselected preset areas as a second target area until the display screen is in a dynamic state.
Wherein, the dynamic state means that the display screen is changed when the operation such as mouse movement, command input and the like is triggered by the user.
Specifically, after the target image is displayed in the second target area for a second preset duration, and it is determined that the unselected preset areas still exist in the preset area corresponding to the display screen, at this time, the display screen is still in a static state, one or more preset areas continue to be selected in the unselected preset areas as the second target area, the target image is moved from the first target area to the second target area for display, until the display screen is in a dynamic state, and the display of the target image is stopped.
Optionally, on the basis of the above embodiments, in some embodiments of the present disclosure, the method further includes:
and S550, if it is determined that the unselected preset region does not exist, setting all the plurality of preset regions corresponding to the display screen as the unselected preset regions, and returning to the execution of continuously selecting at least one preset region from the unselected preset regions as a second target region until the display screen is in a dynamic state.
Specifically, after the target image is displayed in the second target area for a second preset duration, and it is determined that the non-selected preset area does not exist in the preset area corresponding to the display screen, at this time, the display screen is still in a static state, all the plurality of preset areas corresponding to the display screen are set as the non-selected preset area, one or more preset areas continue to be selected in the non-selected preset area as the second target area, the target image is moved from the first target area to the second target area for display until the display screen is in a dynamic state, and the target image is stopped being displayed.
In the technical scheme provided by the embodiment of the disclosure, when a display screen is in a static state within a first preset time, a controller of a display device selects at least one preset area from a plurality of preset areas corresponding to the display screen as a first target area, and displays a target image in the first target area; then, after the target image is displayed in the first target area for a second preset duration, a controller of the display device continuously selects at least one preset area from the unselected preset areas as a second target area, and moves the target image to the second target area; and finally, after the target image is displayed in the second target area for a second preset time, if the unselected preset area exists, the controller of the display equipment returns to execute the step of continuously selecting at least one preset area from the unselected preset area as the second target area until the display screen is in a dynamic state. According to the technical scheme, the display screen is divided into the plurality of preset areas, when the display screen is detected to be in a static state, the target areas are selected to display the target images in the plurality of preset areas, and if the display screen is always in the static state, the target areas are continuously selected to display the target images in the plurality of unselected preset areas, so that the problem that the target images cannot be displayed in the unselected preset areas for a long time due to repeated display of the target images in the selected preset areas is avoided, the target images are guaranteed to be displayed in all the preset areas included in the display screen, and the problem that the display screen is burned is solved.
Fig. 6A is a schematic flowchart of another method for preventing a screen from being burned out according to an embodiment of the present disclosure, and fig. 6A is a description of a possible implementation manner of S510-S550 based on the embodiment shown in fig. 5A, as shown in fig. 6A:
s610, when the display screen is in a static state within a first preset time, selecting at least one first coordinate position from the storage list, taking a preset area corresponding to each first coordinate position as a first target area, displaying a target image in the first target area based on each first coordinate position,
in which the storage list stores coordinate positions corresponding to a plurality of preset areas, for example, as shown in fig. 6B, a coordinate system is constructed by using a lower left point of the display screen 201 corresponding to the display device 200 as an origin, using the length of the display screen 201 as a horizontal axis X, and using the width of the display screen 201 as a vertical axis Y. Based on the coordinate system, the coordinate position corresponding to each preset area is determined according to the size of the display screen and the size of the target image, for example, the coordinate position of the first preset area is 1 (x) 1 ，y 1 ) If the coordinate position of the second predetermined area is 2 (x) 2 ，y 2 ) And coordinate positions 1 (x) corresponding to 64 preset areas included in the display screen 201 are respectively set 1 ，y 1 ) Coordinate position 2 (x) 2 ，y 2 ) Coordinate position 3 (x) 3 ，y 3 ) Coordinates position 64 (x) 64 ，y 64 ) But is not limited thereto, and the present disclosure is not particularly limited thereto, and may be set by those skilled in the art according to the actual situation.
Specifically, when the controller of the display device detects that the display screen is in a static state within a first preset time period, at this time, one or more first coordinate positions are arbitrarily selected from a storage list storing coordinate positions of a plurality of preset areas of the display screen, the preset area corresponding to each first coordinate position is used as a first target area, and a target image is displayed in the first target area based on the first coordinate position.
For example, in connection with the above embodiment, the coordinate positions 1 (x) corresponding to 64 preset areas are saved 1 ，y 1 ) Coordinate position 2 (x) 2 ，y 2 ) Coordinate position 3 (x) 3 ，y 3 ) Coordinates position 64 (x) 64 ，y 64 ) Selects any one coordinate position from the storage list as a first coordinate position 18 (x) 18 ，y 18 ) Then the preset area corresponding to the coordinate position 18 is taken as the first target area and is based on the first coordinate position (x) 18 ，y 18 ) The target image is displayed in the first target area, but is not limited thereto, and the disclosure is not particularly limited, and may be set by those skilled in the art according to the actual situation.
S620, after the target image displays a second preset duration in the first target area, at least one second coordinate position is selected from the unselected coordinate positions in the storage list, the preset area corresponding to each second coordinate position is used as a second target area, and the target image is moved to the second target area based on each second coordinate position.
Specifically, after the target image is displayed in the first target area for a second preset duration, if it is necessary to continue to cover other preset areas of the display screen with the target image, one or more coordinate positions are continuously selected from the unselected coordinate positions as second coordinate positions, the preset area corresponding to each second coordinate position is used as a second target area, and the target image is moved from the first target area to the second target area and displayed based on each second coordinate position.
For example, when the target image is displayed in the first target area, for example, the 18 th preset area for 5 seconds, the coordinate position 1 (x) corresponding to each of the 64 preset areas is continuously saved 1 ，y 1 ) Coordinate position 2 (x) 2 ，y 2 ) Coordinate position 3 (x) 3 ，y 3 ) Coordinates position 64 (x) 64 ，y 64 ) Of the other 63 unselected coordinate positions, one coordinate position, such as the 36 th coordinate position, is selected as the second coordinate position and based on the second coordinate position (x) 36 ，y 36 ) The target image is moved from the first target area to the second target area and displayed, but the disclosure is not limited thereto, and a person skilled in the art may set the target image according to actual situations.
And S630, after the target image displays a second preset time length in the second target area, judging whether the coordinate position which is not selected exists in the storage list.
And S640, if the coordinate positions which are not selected exist in the storage list, returning to execute the selection of at least one second coordinate position from the coordinate positions which are not selected in the storage list until the display screen is in a dynamic state.
Specifically, after the target image is displayed in the second target area for a second preset duration, and it is determined that the unselected coordinate positions still exist in the storage list, at this time, the display screen is still in a static state, one or more coordinate positions are continuously selected from the unselected coordinate positions as second coordinate positions, the preset area second target area corresponding to each second coordinate position moves the target image from the first target area to the second target area for displaying according to each second coordinate position until the display screen is in a dynamic state, and the display of the target image is stopped.
Optionally, on the basis of the foregoing embodiments, in some embodiments of the present disclosure, the method further includes:
s650, if it is determined that the unselected coordinate positions do not exist in the storage list, setting all the coordinate positions corresponding to the preset areas as the unselected coordinate positions, and returning to execute the selection of at least one second coordinate position from the unselected coordinate positions in the storage list until the display screen is in a dynamic state.
Specifically, after the target image is displayed in the second target area for a second preset duration, and it is determined that there is no unselected coordinate position in the storage list, at this time, the display screen is still in a static state, all the coordinate positions corresponding to the multiple preset areas are set as unselected coordinate positions, one or more coordinate positions are continuously selected as second coordinate positions in the unselected coordinate positions, the second target area of the preset area corresponding to each second coordinate position is moved from the first target area to the second target area for display according to each second coordinate position, until the display screen is in a dynamic state, the target image is stopped being displayed.
In the technical scheme provided by the embodiment of the disclosure, in the process, the first coordinate position and the second coordinate position are selected from the coordinate positions corresponding to the plurality of preset areas, and the target image is accurately displayed on the display screen according to the first coordinate position and the second coordinate position, so that the screen burn-in of the display screen is prevented.
Fig. 7 is a schematic flowchart of a further method for preventing a screen burn-in of a display screen according to an embodiment of the present disclosure, where fig. 7 is based on the embodiment shown in fig. 6A, and further includes, before performing S610:
s710, dividing the display screen into a plurality of preset areas according to the size of the display screen and the size of the target image, determining the coordinate position corresponding to each preset area, and storing the coordinate position of each preset area into a storage list.
The size of the display screen may be determined according to the pixels of the display screen, such as 1920 × 1080, and the size of the target image may be determined according to the pixels of the target image, such as 240 × 135, but is not limited thereto, and those skilled in the art may set the size according to actual situations.
Specifically, the size of the display screen and the size of the target image are obtained, the display screen can be divided into a plurality of preset areas by using the size of the display screen and the size of the target image, a coordinate position corresponding to each preset area is calculated and determined, and the coordinate position of each preset area is stored in a storage list.
Optionally, on the basis of the foregoing embodiments, in some embodiments of the present disclosure, an implementation manner of dividing the display screen into a plurality of preset regions according to the size of the display screen and the size of the target image may be:
and step A, acquiring a first ratio of the size of the transverse axis of the display screen to the size of the transverse axis of the target image and a second ratio of the size of the longitudinal axis of the display screen to the size of the longitudinal axis of the target image.
And B, dividing the display screen into a plurality of preset areas based on the first ratio and the second ratio.
For example, if the pixel points of the display screen are 1920 × 1080 and the pixel points of the target image are 240 × 135 according to the above embodiments, it can be determined that the horizontal axis size of the display screen may be 1920, the vertical axis size of the display screen is 1080, the horizontal axis size of the target image is 240, the vertical axis size of the target image is 135, a first ratio of the horizontal axis size of the display screen 1920 to the horizontal axis size of the target image 240 is 8, and a second ratio of the vertical axis size of the display screen 1080 to the vertical axis size of the target image 135 is 8, respectively, and the display screen can be divided into 8 × 8 preset regions, that is, 64 preset regions according to the first ratio of 8 and the second ratio of 8.
Optionally, on the basis of the foregoing embodiment, in some embodiments of the present disclosure, when the first ratio and the second ratio are both integers, one implementation manner of determining the coordinate position corresponding to each preset area may be:
d, determining a cross axis coordinate position corresponding to each preset area according to the cross axis size of the display screen and the cross axis size of the target image;
and E, determining the longitudinal axis coordinate position corresponding to each preset area according to the longitudinal axis size of the display screen and the longitudinal axis size of the target image.
For example, referring to fig. 8, for the coordinate position 10 corresponding to the 10 th preset region, since the horizontal axis size of the display screen is 1920, the horizontal axis size of the target image is 240, the vertical axis size of the display screen is 1080, and the vertical axis size of the target image is 135, the coordinate position 10 may be determined to be (240, 945), but the disclosure is not limited thereto, and the person skilled in the art may set the coordinate position according to practical situations.
Optionally, on the basis of the foregoing embodiment, in some embodiments of the present disclosure, when there is a case that any one of the arrays is not an integer in the first ratio and the second ratio, or the first ratio and the second ratio are not both integers, at this time, the plurality of preset areas include a plurality of first preset areas and a plurality of second preset areas, and another implementation manner of determining the coordinate position corresponding to each preset area may be:
and F, determining the coordinate position of the transverse axis corresponding to each first preset area according to the transverse axis size of the display screen and the transverse axis size of the target image.
And G, determining a longitudinal axis coordinate position corresponding to each first preset area according to the longitudinal axis size of the display screen and the longitudinal axis size of the target image.
For example, in this embodiment, the first ratio of the horizontal axis size of the display screen to the horizontal axis size of the target image is not an integer, and referring to fig. 9, at this time, the horizontal axis size of the display screen may be 1900, the horizontal axis size of the target image is 240, and the first ratio of the horizontal axis size 1900 of the display screen to the horizontal axis size 240 of the target image is not an integer, but to ensure that the target image can be displayed on the entire display screen, it is necessary to complement the horizontal axis size 1900 of the display screen to be an integer multiple of the horizontal axis size 240 of the target image, that is, to complement the horizontal axis size to be 1920, at this time, the display screen can still be divided into 64 preset regions according to the first ratio and the second ratio, but for the calculation process of the coordinate positions corresponding to the 56 first preset regions, step D to step E in the foregoing embodiment is referred to, and this is not repeated.
And H, determining the horizontal axis coordinate position of each second preset area according to the horizontal axis size of the display screen, the horizontal axis size of the target image and the first ratio.
And step I, determining the longitudinal axis coordinate position of each second preset area according to the longitudinal axis size of the display screen, the longitudinal axis size of the target image and the second ratio.
Alternatively, on the basis of the above embodiments, in some embodiments of the present disclosure, the horizontal axis coordinate position of each second preset area is determined according to the horizontal axis size of the display screen, the horizontal axis size of the target image, and the first ratio, and may be specifically defined according to the following expression:
x＝l*(k 1 -1)-(l-A 1 )
where l is the cross-axis dimension of the target image, k 1 Is a first ratio, A 1 Is the remainder of the horizontal axis size L of the display screen and the horizontal axis size L of the target image, namely A 1＝ L% L, but is not limited thereto, and the present disclosure is not particularly limitedThe technical personnel in the field can set according to the actual situation.
Determining the longitudinal axis coordinate position of each second preset area according to the longitudinal axis size of the display screen, the longitudinal axis size of the target image and the second ratio, which may be specifically defined according to the following expression:
y＝w*(k 2 -1)-(w-A 2 )
where w is the dimension of the longitudinal axis of the target image, k 2 Is a second ratio, A 2 Is the remainder of the vertical axis size W of the display screen and the vertical axis size W of the target image, namely A 2＝ W% W, but not limited thereto, the present disclosure is not particularly limited and may be set by those skilled in the art according to the actual situation.
Illustratively, referring to fig. 10, the coordinate position of the second preset area, that is, the preset area 64, is calculated to be (1660, 135) according to the above expression, but the disclosure is not limited thereto, and the skilled person may set the coordinate position according to practical situations.
In the technical scheme provided by the embodiment of the disclosure, in the process, the coordinate position corresponding to each preset area can be accurately determined according to the size of the display screen and the size of the target image, so that the target image can be accurately displayed on the display screen based on the coordinate position, and the display screen is prevented from being burnt.
The embodiment of the present disclosure provides a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the computer program implements each process executed by the method for preventing a display screen from being burned, and can achieve the same technical effect, and in order to avoid repetition, the computer program is not described herein again.
The computer-readable storage medium may be a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk.
The present disclosure provides a computer program product comprising: when the computer program product runs on a computer, the computer is enabled to realize the method for preventing the burn-in of the display screen.
The foregoing description, for purposes of explanation, has been presented in conjunction with specific embodiments. However, the foregoing discussion in some embodiments is not intended to be exhaustive or to limit the implementations to the precise forms disclosed above. Many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles and the practical application, to thereby enable others skilled in the art to best utilize the embodiments and various embodiments with various modifications as are suited to the particular use contemplated.

Claims (10)

1. A display device, comprising:
a controller configured to:
when a display screen is in a static state within a first preset time, selecting at least one preset area from a plurality of preset areas corresponding to the display screen as a first target area, and displaying a target image in the first target area;
after the target image is displayed in the first target area for a second preset time, continuously selecting at least one preset area from the unselected preset areas as a second target area, and moving the target image to the second target area;
and after the target image displays a second preset time in the second target area, if the unselected preset area exists, returning to execute the unselected preset area to continuously select at least one preset area as a second target area until the display screen is in a dynamic state.
2. The display device according to claim 1, wherein the controller is further configured to:
and if the unselected preset areas do not exist, setting all the plurality of preset areas corresponding to the display screen as the unselected preset areas.
3. The display device of claim 1, wherein the controller is specifically configured to:
when the display screen is in a static state within a first preset duration, selecting at least one first coordinate position from a storage list, taking the preset area corresponding to each first coordinate position as a first target area, and displaying the target image in the first target area based on each first coordinate position, wherein the storage list stores the coordinate positions corresponding to a plurality of preset areas;
after the target image displays a second preset duration in the first target area, selecting at least one second coordinate position from the unselected coordinate positions in the storage list, taking the preset area corresponding to each second coordinate position as the second target area, and moving the target image to the second target area based on each second coordinate position;
and after the target image is displayed in the second target area for a second preset time, if the coordinate positions which are not selected exist in the storage list, returning to execute the selection of at least one second coordinate position from the coordinate positions which are not selected in the storage list until the display screen is in a dynamic state.
4. The display device according to claim 3, wherein the controller is further configured to:
and dividing the display screen into a plurality of preset areas according to the size of the display screen and the size of the target image, determining a coordinate position corresponding to each preset area, and storing the coordinate position of each preset area into a storage list.
5. The display device according to claim 4, wherein the controller is further configured to:
acquiring a first ratio of the size of the transverse axis of the display screen to the size of the transverse axis of the target image and a second ratio of the size of the longitudinal axis of the display screen to the size of the longitudinal axis of the target image;
and dividing the display screen into a plurality of preset areas based on the first ratio and the second ratio.
6. The display device according to claim 5, wherein when the first ratio and the second ratio are both integers;
the controller is specifically further configured to:
determining a horizontal axis coordinate position corresponding to each preset area according to the horizontal axis size of the display screen and the horizontal axis size of the target image;
and determining the longitudinal axis coordinate position corresponding to each preset area according to the longitudinal axis size of the display screen and the longitudinal axis size of the target image.
7. The display device according to claim 5, wherein when the first ratio is not an integer and/or the second ratio is not an integer, the plurality of preset regions includes a plurality of first preset regions and a plurality of second preset regions;
the controller is specifically further configured to:
determining a horizontal axis coordinate position corresponding to each first preset area according to the horizontal axis size of the display screen and the horizontal axis size of the target image;
determining a longitudinal axis coordinate position corresponding to each first preset area according to the longitudinal axis size of the display screen and the longitudinal axis size of the target image;
determining the horizontal axis coordinate position of each second preset area according to the horizontal axis size of the display screen, the horizontal axis size of the target image and the first ratio;
and determining the longitudinal axis coordinate position of each second preset area according to the longitudinal axis size of the display screen, the longitudinal axis size of the target image and the second ratio.
8. A method for preventing burn-in of a display screen, comprising:
when a display screen is in a static state within a first preset time, selecting at least one preset area from a plurality of preset areas corresponding to the display screen as a first target area, and displaying a target image in the first target area;
after the target image displays a second preset duration in the first target area, continuously selecting at least one preset area from the unselected preset areas as a second target area, and moving the target image to the second target area;
and after the target image displays a second preset time in the second target area, if the unselected preset area exists, returning to execute the unselected preset area to continuously select at least one preset area as a second target area until the display screen is in a dynamic state.
9. The method of claim 8, further comprising:
and if the unselected preset areas do not exist, setting all the plurality of preset areas corresponding to the display screen as the unselected preset areas.
10. A computer-readable storage medium, on which a computer program is stored, which program, when being executed by a processor, carries out the steps of the method of preventing burn-in of a display screen according to any one of claims 8 to 9.
CN202211177420.8A 2022-09-26 2022-09-26 Display device, method for preventing burn-in of display screen and medium Pending CN115599251A (en)

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